Swift 2 syntax error with direction .Forward

Question

I wrote in Swift 1.2 the next:

self.pageViewController.setViewControllers(viewControllers as [AnyObject], direction: .Forward, animated: true, completion: nil)

but now, in Swift 2 it prints me the next error:

Could not find member 'Forward'

How can I fix it?

Did you try UIPageViewControllerNavigationDirection.Forward instead of .Forward? — ridvankucuk
– ridvankucuk, Commented Sep 14, 2015 at 11:56
in this case it prints animated: true part the next error 'Bool' is not convertible to 'BooleanLiteralConvertible' — Orkhan Alizade
– Orkhan Alizade, Commented Sep 14, 2015 at 11:58
The error is probably in the first argument which should have type [UIViewController]?. Try to just remove the as [AnyObject] (depends on how viewControllers is declared). — Martin R
– Martin R, Commented Sep 14, 2015 at 12:02

ridvankucuk · Accepted Answer · 2015-09-14 12:02:14Z

9

You should make sure that your viewControllers not optional Type. Such as:

var viewControllers:[UIViewController] = [VC1,VC2]
self.pageViewController.setViewControllers(viewControllers, direction: UIPageViewControllerNavigationDirection.Forward, animated: true, completion: nil)

answered Sep 14, 2015 at 12:02

ridvankucuk

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